A SEASON of special editions of S4C favourites will also be broadcast to mark the anniversary:

Fashion series Cwpwrdd Dillad looks at the wardrobes of presenters Beti George, Elinor Jones and her daughter Heledd Cynwal and entertainer Dewi Pws – all familiar faces on S4C over the past quarter of a century.Š

Homes and interiors show 04 Wal visits the set of new Welsh language film Martha Jac a Sianco, based on Caryl Lewis’ award-winning novel.Š The programme will also feature the favourite room of S4C chief executive, Iona Jones and S4C’s new-look reception and public areas at its Cardiff offices.

Twenty-five years of S4C’s iconic countryside series Cefn Gwlad (November 2), presented by Dai Jones, will be celebrated in a special edition.Š

Dechrau Canu Dechrau Canmol, S4C’s worship and hymn-singing series, will mark the birthday with a service of thanksgiving on November 4.

Oscar-nominated Hedd Wyn will be broadcast on October 28.

A retro comedy half hour slot will also start on Thursday evenings within the next few weeks.